[SR-Users] Re-establishment of a closed TCP connection

[Vitalii Krutsitskyi]

Hello

General overview of the infrastructure:
Client (Cisco Hardware) ---> AWS NLB ---> Kamailio Instances

The client has a time limit for the opened TCP connections - 10 minutes.
This is a hardcoded value that can't not be changed. Regardless of the
traffic that flows through the connection, it is closed after 10 minutes.

Problem: in case of long-running calls above 10 minutes it is not possible
for Kamailio to send back SIP traffic back to the client using the original
TCP connection. The client has been asked to either increase the time limit
or send SIP reinvites - none of that is possible due to some client's
infrastructure limitations.

Question: is it possible to force Kamailio to open a new TCP connection and
associate it with the call? Client has a 5060 port always opened which can
accept incoming connections.
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